{"id":"CVE-2020-13929","aliases":["EUVD-2021-2014","GHSA-87p2-cvhq-q4mv"],"status":"published","title":"Notebook permissions bypass","description":"Authentication bypass vulnerability in Apache Zeppelin allows an attacker to bypass Zeppelin authentication mechanism to act as another user. This issue affects Apache Zeppelin Apache Zeppelin version 0.9.0 and prior versions.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.03258,"percentile":0.88528,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2021-09-02T00:00:00Z","modified":"2026-10-24T10:30:25Z","fixes":[{"ecosystem":"Maven","package":"org.apache.zeppelin:zeppelin","fixed_in":["0.10.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.zeppelin:zeppelin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.0"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.zeppelin:zeppelin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.0"}]}],"versions":["0.5.0-incubating","0.6.0","0.6.1","0.6.2","0.7.0","0.7.1","0.7.2","0.7.3","0.8.0","0.8.1","0.8.2","0.9.0","0.9.0-preview1","0.9.0-preview2"]}],"products":[{"vendor":"apache","product":"zeppelin"},{"vendor":"apache software foundation","product":"apache zeppelin"}],"references":[{"url":"https://lists.apache.org/thread.html/r768800925d6407a6a87ccae0ec98776b7bda50c0e3ed3d0130dad028%40%3Cusers.zeppelin.apache.org%3E","tags":["mailing-list","x_transferred","Mailing List","Vendor Advisory","advisory","web"]},{"url":"http://www.openwall.com/lists/oss-security/2021/09/02/2","tags":["mailing-list","x_transferred","Mailing List","Third Party Advisory","advisory","web"]},{"url":"https://lists.apache.org/thread.html/r768800925d6407a6a87ccae0ec98776b7bda50c0e3ed3d0130dad028%40%3Cannounce.apache.org%3E","tags":["mailing-list","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/r99529e175a7c1c9a26bd41a02802c8af7aa97319fe561874627eb999%40%3Cusers.zeppelin.apache.org%3E","tags":["mailing-list","x_transferred","web"]},{"url":"https://security.gentoo.org/glsa/202311-04","tags":["vendor-advisory","x_transferred","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13929","tags":["advisory"]},{"url":"https://lists.apache.org/thread.html/r768800925d6407a6a87ccae0ec98776b7bda50c0e3ed3d0130dad028@%3Cusers.zeppelin.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/r768800925d6407a6a87ccae0ec98776b7bda50c0e3ed3d0130dad028@%3Cannounce.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/r99529e175a7c1c9a26bd41a02802c8af7aa97319fe561874627eb999@%3Cusers.zeppelin.apache.org%3E","tags":["web"]},{"url":"https://github.com/advisories/GHSA-87p2-cvhq-q4mv"},{"url":"https://github.com/apache/zeppelin","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-13929","title":"Notebook permissions bypass","description":"Authentication bypass vulnerability in Apache Zeppelin allows an attacker to bypass Zeppelin authentication mechanism to act as another user. This issue affects Apache Zeppelin Apache Zeppelin version 0.9.0 and prior versions.","status":"published","published":"2021-09-02T00:00:00Z","modified":"2024-08-04T12:32:14.441Z","updated_at":"2026-11-02T14:35:53.868619Z"}],"euvd":[{"id":"EUVD-2021-2014","description":"Authentication bypass vulnerability in Apache Zeppelin allows an attacker to bypass Zeppelin authentication mechanism to act as another user. This issue affects Apache Zeppelin Apache Zeppelin version 0.9.0 and prior versions.","status":"published","published":"2021-09-02T00:00:00Z","modified":"2024-08-04T12:32:14Z","updated_at":"2026-11-03T03:07:35.099081Z"}],"ghsa":[{"id":"GHSA-87p2-cvhq-q4mv","title":"Authentication bypass in Apache Zeppelin","description":"Authentication bypass vulnerability in Apache Zeppelin allows an attacker to bypass Zeppelin authentication mechanism to act as another user. This issue affects Apache Zeppelin Apache Zeppelin version 0.9.0 and prior versions.","status":"published","published":"2021-09-07T22:56:56Z","modified":"2023-11-27T21:44:16Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:37:22.840002Z"}],"nvd":[{"id":"CVE-2020-13929","description":"Authentication bypass vulnerability in Apache Zeppelin allows an attacker to bypass Zeppelin authentication mechanism to act as another user. This issue affects Apache Zeppelin Apache Zeppelin version 0.9.0 and prior versions.","status":"published","published":"2021-09-02T17:15:07.86Z","modified":"2026-06-17T02:53:55.103Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:45.704484Z"}],"osv":[{"id":"CVE-2020-13929","description":"Authentication bypass vulnerability in Apache Zeppelin allows an attacker to bypass Zeppelin authentication mechanism to act as another user. This issue affects Apache Zeppelin Apache Zeppelin version 0.9.0 and prior versions.","status":"published","published":"2021-09-02T17:15:07.86Z","modified":"2026-10-24T10:30:25.970337215Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:14.418339Z"},{"id":"GHSA-87p2-cvhq-q4mv","title":"Authentication bypass in Apache Zeppelin","description":"Authentication bypass vulnerability in Apache Zeppelin allows an attacker to bypass Zeppelin authentication mechanism to act as another user. This issue affects Apache Zeppelin Apache Zeppelin version 0.9.0 and prior versions.","status":"published","published":"2021-09-07T22:56:56Z","modified":"2024-02-16T08:20:33.71896Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:46:42.077781Z"}]}}